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Finding the Third Proportional to 1,605,777.75 and 3,530,936.81

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Solution

The third proportional to 1,605,777.75 and 3,530,936.81 is: 7,764,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,777.75 : 3,530,936.81 = 3,530,936.81 : x
  2. Step 2: Convert to fraction form
    1,605,777.75/3,530,936.81 = 3,530,936.81/x
  3. Step 3: Cross multiply
    1,605,777.75x = 3,530,936.81 × 3,530,936.81
  4. Step 4: Simplify right side
    1,605,777.75x = 12,467,514,773,867.66
  5. Step 5: Solve for x
    x = 12,467,514,773,867.66/1,605,777.75
  6. Step 6: Final answer
    x = 7,764,159.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.